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The 36-year-old guard has been going through a pretty standard — for him at least — routine over the course of his career and he’s continued the pregame regiment before each and every Celtics game.

“The Routine,” as film producer Brian Babineau aptly named it, is a pretty intricate process and involves a heavy amount of 3-point shooting, which just happens to be a forte of the 10-time NBA All-Star.